论证就是常见的论证方法，如举例论证，反面论证和对比论证;因为
托福写作经验中语言运用指的是学生在用词和句式上的多样性。比如同一题目论证升职机会的重要性：Additionally, some employees are ambitious to obtain managing positions in an enterprise. Being promoted to higher positions with more powers seems appealing to them. Job promotion is also an approach to motivating the staff members to work studiously for the corporation. The scarcity of opportunities for promotion is not only detrimental to workers’ career development, but also fail to consolidate their loyalty to the company. 其中表示公司的词：enterprise, corporation, company; 员工：employees, staff members, workers; 只要平时留心去总结这些同义词，那么在写作时就可以游刃有余地进行替换，增加用词的多样化。
上面介绍了托福写作经验是关于论证的问题，大加在看托福写作评分标准的时候别忘了这一点，托福写作终归是表达观点的文章，这些还是少不了的。
(编辑：Sally)